MDL-47835 block_recent_activity: Same entry keys order

insert_records() is sensitive to the order of the keys
assigned to the inserted objects (inserted as arrays in
this case). Now keys are assigned using the same order.

blocks/recent_activity/block_recent_activity.php

@@ -294,12 +294,12 @@ class block_recent_activity extends block_base {
                 if (!isset($modinfo->instances[$modname][$instanceid])) {
                     continue;
                 }
-                $entry['cmid'] = $modinfo->instances[$modname][$instanceid]->id;
                 if ($log->action == 'add mod') {
                     $entry['action'] = 0;
                 } else {
                     $entry['action'] = 1;
                 }
+                $entry['cmid'] = $modinfo->instances[$modname][$instanceid]->id;
             }
             $entries[] = $entry;
         }